legion: getting type tags right for default constructors of IndexSpaceT and IndexPartitionT
legion: getting type tags right for default constructors of IndexSpaceT and IndexPartitionT

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion